"La mayor parte de las ideas fundamentales de la ciencia son esencialmente simples, y deben, como regla, ser expresadas en un lenguaje que cualquiera pueda comprender".
A. Einstein

lunes, 9 de abril de 2012

Adding and subtracting fractions

There are 3 simple steps to add/subtract fractions:
  • Step 1: Make sure the bottom numbers (the denominators) are the same
  • Step 2: Add/subtract the top numbers (the numerators). Put the answer over the denominator.
  • Step 3: Simplify the fraction (if needed).
See more here.
Practice adding and subtracting fractions with the same denominator.
Practice adding and subtracting fractions with different denominator.

If you feel comfortable with the operations, then try the game
After that, play the contest.

 Good luck!
ALICIA

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